Muddy Run (Conodoguinet Creek tributary)

{{Short description|River}}

{{Use American English|date=February 2025}}

Muddy Run is a {{convert|12.6|mi|km|adj=mid|-long}}U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. [http://viewer.nationalmap.gov/viewer/ The National Map], accessed December, 2019 tributary of the Conodoguinet Creek in Franklin County, Pennsylvania in the United States.

The {{convert|4.4|mi|km|adj=mid|-long}} tributary Rowe Run joins Muddy Run southeast of Orrstown.

The {{convert|5.3|mi|km|adj=mid|-long}} tributary Lehman Run joins the Muddy Run near Pleasant Hall, Pennsylvania.

The headwaters begin in the Letterkenny Army Depot. Muddy Run joins the Conodoguinet near Orrstown.